Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong hoi hanh slippers" » "dong hoc hanh slippers", "dong hoa hanh slippers", "tong hop hanh slippers", "dong hoi thanh slippers", "dong doi hanh slippers", "dong hoi hanh slippery", "dong hoi hanh grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dong hoi hanh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong hoi hanh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong hoi hanh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong hoi hanh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.